CN102233218A - Filter - Google Patents
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- Publication number
- CN102233218A CN102233218A CN2011101041908A CN201110104190A CN102233218A CN 102233218 A CN102233218 A CN 102233218A CN 2011101041908 A CN2011101041908 A CN 2011101041908A CN 201110104190 A CN201110104190 A CN 201110104190A CN 102233218 A CN102233218 A CN 102233218A
- Authority
- CN
- China
- Prior art keywords
- folds
- filter
- filter media
- media bundle
- filter assemblies
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002245 particle Substances 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 46
- 238000000429 assembly Methods 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
- B01D46/121—V-type arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
- B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to a filter assembly 44, which includes a frame 100 for mounting the filter assembly. The frame 100 defines a rectangular opening 120. A channel 122 is disposed about at least a portion of the periphery of the rectangular opening 120. Filter media pleat pack 140 is disposed in the channel 122 in the frame 100. The filter media pleat pack 140 extends across the entire rectangular opening 120 in the frame 100. The filter media pleat pack 140 separates particles from a gas flowing through the filter media in a first direction. Support structure 150 is connectable with the frame 100. The support structure 160 engages the filter media pleat pack 140 to limit movement of the filter media pleat pack when gas flows in the first direction through the filter media.
Description
Technical field
The present invention relates generally to a kind of filter.Particularly, the present invention relates to a kind of improved filter of using in the gas turbine inlet air system of being used for.
Background technology
For example the power generation equipment of gas turbine uses a large amount of air inlets to be used for burning.For the performance that keeps this gas turbine to be fit to, can filter this air inlet to remove unwanted dust, moisture and other can damage the pollutant of the parts of this gas turbine.The main filter that filters this air inlet typically is arranged to array being positioned on the framework of housing.
Known filter can be the static filtering device of V unit wrinkling type.Also promptly, each filter paired flat panel filter medium of having a series of layout forming V-shapes and connecting together at summit place.Known filter comprises the framework that defines a plurality of rectangular apertures.Corresponding flat panel filter medium is across each rectangular aperture.
This flat panel filter medium must across the size of rectangular aperture be important, and determined the amount of air that can be by this known filter.The size of the rectangular aperture of typical known filter approximately is 20 inches wide and 12 inches high.The tip of fold and recess be basically parallel on the direction of this height extend and be basically parallel on the direction that this width extends bonding.
In some cases, known filter may suffer the situation of flat panel filter medium " bending ".Also promptly, under the predetermined force that strides across this flat panel filter medium (for example relatively large pressure drop), this flat panel filter medium is understood deflection or is moved along airflow direction.Such deflection or move and can damage this flat panel filter medium, and influence strainability and service life unfriendly.
Therefore, it is useful providing a kind of filter assemblies that moves the service life that lengthening is provided by restriction filter media during flowing through filtration fraction at air.It is useful that a kind of like this filter assemblies is provided: this filter assemblies can provide the air-flow through its increase.
Summary of the invention
According at least one aspect, the invention provides a kind of filter assemblies, it comprises the framework that is used to install this filter assemblies.This framework defines rectangular aperture.Groove be arranged on this rectangular aperture periphery at least a portion around.The filter media bundle of folds is arranged in the slot in frames.This filter media bundle of folds is extended the whole rectangular aperture that crosses in the framework.This filter media bundle of folds is isolated particle from the gas that flows through filter media with first direction.Supporting structure can be connected with framework.This supporting structure engages with the filter media bundle of folds, to flow through moving of the filter media time limit filter made device medium bundle of folds at gas with first direction.
Another aspect of the present invention is a kind of V cell filter assembly, and it comprises the framework that is used to that this filter assemblies is installed and defines rectangular aperture.Groove be formed in the framework and be arranged on rectangular aperture periphery a part around.The filter media bundle of folds is arranged in the slot in frames, and extends the rectangular aperture that crosses in the framework.This filter media bundle of folds is isolated particle from the gas that flows through this filter media with first direction.Supporting structure can be connected with end sections with the mounting portion of framework.This supporting structure engages with the filter media bundle of folds, to flow through moving of the filter media time limit filter made device medium bundle of folds at gas with first direction.When this filter media bundle of folds was exposed to the power that is caused by the gas that flows at the meter pressure difference lower edge of at least 6 inches water that stride across this filter media bundle of folds first direction, it was not damaged basically.
Another aspect of the present invention is a kind of filter assemblies, and it comprises the framework that is used to that this filter assemblies is installed and defines rectangular aperture.Groove be formed in this framework and be arranged on rectangular aperture periphery a part around.The filter media bundle of folds is arranged in the slot in frames, and extends the rectangular aperture that crosses in the framework.This filter media bundle of folds is isolated particle from the gas that flows through this filter media with first direction.Supporting structure can be connected with end sections with the mounting portion of framework.This supporting structure engages with the filter media bundle of folds, to flow through moving of the filter media time limit filter made device medium bundle of folds when gas with first direction.When this filter media bundle of folds was exposed to the power that is caused by the gas that flows at the meter pressure difference lower edge of at least 6 inches water that stride across this filter media bundle of folds first direction, it was not damaged basically.
Description of drawings
Read following the description by the reference accompanying drawing, additional features of the present invention can become apparent for the technical staff in field involved in the present invention.
Fig. 1 is the schematic diagram of filter assemblies, and it is constructed according to an aspect of the present invention, is used for using together with the gas handling system of gas turbine;
Fig. 2 is the enlarged perspective of the part of gas handling system shown in Figure 1;
Fig. 3 is according to an aspect of the present invention, is used for the perspective view of the filter assemblies that uses in the gas handling system shown in Fig. 1-2;
Fig. 4 is the front view of filter assemblies shown in Figure 3;
Fig. 5 is the perspective view of the part of filter assemblies according to an aspect of the present invention;
Fig. 6 is the decomposition diagram of the part of filter assemblies shown in Figure 5;
Fig. 7 is the amplification sectional view of the end sections of filter assemblies; And
Fig. 8 is the enlarged perspective of the part of filter assemblies.
List of parts:
Air intake filter system 24
Filter assemblies or filter 44
Burner section 62
Vertical supporting member 82
Fromer rail 14
Side rails or " end cap " 106
The filter media bundle of folds 140
Supporting structure 160
Reinforcing section 164
Adhesive 180
The specific embodiment
Fig. 1 has illustrated power generation unit 20.This power generation unit 20 comprises gas turbine 22 and air intake filter system 24.Air from surrounding environment is inhaled into air intake filter system 24 to filter and to be transported to gas turbine 22.Power generation unit 20 can be used in any application of many application, such as but not limited to producing electrical power by generator 26, perhaps provides power directly or indirectly.
Air intake filter system 24 comprises housing 40.Housing 40 is by any suitable material manufacturing, for example sheet metal.Housing 40 scaffolds 42.This framework 42 (Fig. 2) for example is fixed to metal tube, groove, beam or the product of going up each other of extrusion by the attachment method that is fit to such as welding by any suitable material manufacturing.According to an aspect of the present invention, framework 42 a plurality of filter assemblies of supporting or filters 44.Filter 44 removes pollutant from the air that flows through this filter with a direction, for example dust, dirt, moisture, salt, carbon and other pollutant.These pollutants may tend to reduce the performance of gas turbine 22 or shorten its service life.Housing 40 can have several floor height, and can comprise and reach hundreds of filters 44, and these filters can be kept by several frameworks 42.
Gas turbine 22 (Fig. 1) comprises air compressor section 60, and air compressor section 60 is drawn into air inlet in the gas turbine 22, to burn in burner section 62 and to work in turbine section 64.Air at first passes through housing 40 from surrounding environment cover 66 sucks.By covering 66 when entering housing 40, it can at first pass through prefilter or demister 68 in air inlet.This air flows through the array of filter assemblies 44 then, is filtered substantially or finally to be directed to compressor section 60 at it before.
As shown in Figure 2, framework 42 comprises one group of vertical supporting member 82 and horizontal supports 84, and they have supported the array of filter assemblies 44.Filter assemblies 44 can be held in place by any suitable device, for example anchor clamps or breech lock (not shown).This filter assemblies 44 can be any suitable type, such as, for example static V unit wrinkling filter cartridge.In certain embodiments, filter assemblies 44 can be configured to high efficiency AltairSupernovaTM filter, and it can obtain from General Electric Co. Limited.Filter assemblies 44 can be any suitable size, structure, configuration or material.
Each filter assemblies 44 (Fig. 3-4) comprises the filter frame 100 of structure according to an aspect of the present invention.This filter frame 100 is installed in filter assemblies 44 in the case frame 42.Filter frame 100 is preferably by injection-molded plastics manufacturing.Filter frame 100 has flange 102, and this flange can be connected with framework 42, so that filter assemblies is installed in the case frame 42.The liner (not shown) can be around the periphery setting of flange 102, and between filter assemblies 44 and framework 42, between this filter assemblies and this framework, to provide gas-tight seal.
Groove 122 (Fig. 5-7) be formed on filter frame 100 fromer rail 104, a pair of end cap 106 and rear rail 108 to small part.Preferably, groove 122 is formed in the filter frame 100, makes it be continuous and extend around the whole periphery of rectangular aperture 120.
Each filter assemblies 44 comprises a plurality of filter media bundles of folds 140.The filter media bundle of folds 140 is " flat board " form as seeing best among Fig. 5-6 preferably.Each filter media bundle of folds 140 is arranged in the corresponding groove 122 in the filter frame 100.The filter media bundle of folds 140 is extended the whole rectangular aperture 120 that crosses in the filter frame 100.The filter media bundle of folds 140 is isolated particle from the first direction at the normal cleaning stream that is sent to gas turbine 22 flows through the gas of the filter media bundle of folds.The filter media bundle of folds 140 is by any suitable material manufacturing, for example synthetic fibers, little glass or their combination.
The filter media bundle of folds 140 is compared with the known before bundle of folds and is occupied relatively large area.Therefore, the filter media bundle of folds 140 provides relatively large filter area capacity, so that air passes through it and is cleaned, to be used for gas turbine 22.The filter media bundle of folds 140 has the fold tip of extending along the direction substantially parallel with obtaining direction that width W strides across.
Each filter assemblies 44 comprises a plurality of supporting structures 160.Each supporting structure 160 is connected to filter frame 100 and extends at the place, opposite end and crosses the filter media bundle of folds 140.Supporting structure 160 engages with the filter media bundle of folds 140, flows through moving of this filter media bundle of folds time limit filter made device medium bundle of folds with convenient gas with first direction.Shown in this exemplary embodiment that two supporting structures 160 use with each filter media bundle of folds 140.It is evident that the supporting structure of any suitable quantity can use together with each filter media bundle of folds 140.
Supporting structure 160 has basic T type on its most of length cross section.It is evident that supporting structure 160 can have any suitable cross section, for example C shape, U-shaped or I shape.Supporting structure 160 has the member 162 (Fig. 7-8) that has reinforcing section 164.Supporting structure 160 also has pair of end portions part 166, so that this supporting structure is remained in the filter frame 100.End sections 166 extends around the end face 168 of the filter media bundle of folds 140.The adhesive 180 that is fit to of the groove 122 of the rear rail 108 of filter frame is connected with filter frame 100 end sections 166 by for example being arranged in.Supporting structure 160 can be by being used for any suitable material manufacturing that this structure will be used to environment wherein, for example plastics or metal.For instance, supporting structure 160 can be molded plastic components.Supporting structure 160 can also be by two metal parts manufacturings that for example combine by welding.Supporting structure 160 can bond to the surface of leaving of the filter media bundle of folds 140.
The filter media bundle of folds 140 occupies the flow area in the rectangular aperture 120.The width of supporting structure 160 approximately is 1 inch.Therefore, the gross area that extends two supporting structures 160 crossing rectangular aperture 120 is less than the about 10% of the flow area that occupied, and the air stream by the filter media bundle of folds 140 is had slight influence or not influence.
Test at filter assemblies of making according to an aspect of the present invention 44 and the known before filter assemblies that does not have supporting structure.The test display filter medium bundle of folds 140 be exposed to by stride across about at least 6 inches water of this filter media bundle of folds, preferably about at least 12 inches water and more preferably the gas that flows of the meter pressure difference lower edge first direction of about at least 15 inches water cause power the time, basic because bending is not damaged.Test also being presented at when not having supporting structure 160, and tearing under the situation of about 6 inches water in the filter media bundle of folds that is caused by bending promptly takes place.
Known length of life at filter assemblies, the filter media bundle of folds is collected particulate from the air that runs through it.So typically increased the pressure drop that strides across the filter media bundle of folds, this pressure drop is tended to increase crooked trend and cause damage.By the filter assemblies 44 that has supporting structure 160 of the present invention is provided, can obtain the service life of the increase of filter assemblies.
Above description according to at least one aspect of the present invention one skilled in the art will realize that improvement, variation and modification.Appended claim intention covers such improvement, variation and the modification in the present technique field.
Claims (9)
1. a filter assemblies (44) comprising:
Framework (100), it is used to install described filter assemblies (44), and defines rectangular aperture (120);
Groove (122), its be arranged on described rectangular aperture (120) periphery at least a portion around;
The filter media bundle of folds (140), it is arranged in the groove (122) in the described framework (100), and extend the whole rectangular aperture (120) that crosses in the described framework, the described filter media bundle of folds is used for isolating particle from the gas that flows through described filter media with first direction; And
The supporting structure (160) that can be connected with described framework (100), described supporting structure is used for engaging with the described filter media bundle of folds (140), so that limit moving of the described filter media bundle of folds when gas flows through described filter media with first direction.
2. filter assemblies according to claim 1 (44) is characterized in that, described supporting structure (160) comprises the member (162) that has reinforcing section (164).
3. filter assemblies according to claim 2 (44) is characterized in that, described supporting structure (160) has the T type cross section of at least a portion of crossing this supporting structure.
4. filter assemblies according to claim 1 (44), it is characterized in that, be not damaged basically during power that the gas that the described filter media bundle of folds (140) flows with first direction at least under being exposed to by the meter pressure difference of 6 inches water that striding across the described filter media bundle of folds causes.
5. filter assemblies according to claim 4 (44), it is characterized in that, be not damaged basically during power that the gas that the described filter media bundle of folds (140) flows with first direction at least under being exposed to by the meter pressure difference of 12 inches water that striding across the described filter media bundle of folds causes.
6. filter assemblies according to claim 1 (44), it is characterized in that, described filter assemblies is the form of V unit wrinkling filter, and comprise a plurality of rectangular aperture (120) and a plurality of filter media bundles of folds (140) in described framework (100), in corresponding one in the rectangular aperture that is arranged in the described framework in the described filter media bundle of folds.
7. filter assemblies according to claim 1 (44) is characterized in that, the described filter media bundle of folds (140) is dull and stereotyped form.
8. filter assemblies according to claim 1 (44), it is characterized in that, occupy flow area in the rectangular aperture (120) of the described filter media bundle of folds (140) in described framework (100), and wherein, described supporting structure extension is crossed being less than of described flow area about 10%.
9. filter assemblies according to claim 1 (44), it is characterized in that, the described rectangular aperture (120) that described framework (100) limits has width and less than the height of described width, and wherein, described height is in about 11 inches to 18 inches scope.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/760,767 US20110252759A1 (en) | 2010-04-15 | 2010-04-15 | Filter |
| US12/760767 | 2010-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102233218A true CN102233218A (en) | 2011-11-09 |
Family
ID=44730880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101041908A Pending CN102233218A (en) | 2010-04-15 | 2011-04-15 | Filter |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110252759A1 (en) |
| KR (1) | KR20110115544A (en) |
| CN (1) | CN102233218A (en) |
| DE (1) | DE102011001665A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457414A (en) * | 2014-09-25 | 2016-04-06 | 马勒国际有限公司 | Filter element for filtering of fluid with folded filter material |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012000482A1 (en) | 2012-01-13 | 2013-07-18 | Mann + Hummel Gmbh | Air filter element and air filter |
| US10071331B2 (en) * | 2012-09-12 | 2018-09-11 | Camfil Ab | Backing net structure |
| US9205359B2 (en) * | 2012-10-09 | 2015-12-08 | W.L. Gore & Associates, Inc. | V-panel filters |
| US9028578B2 (en) * | 2013-02-28 | 2015-05-12 | Bha Altair, Llc | Gas turbine inlet filter with replaceable media cartridges |
| US9764266B1 (en) * | 2013-03-13 | 2017-09-19 | Scott Carter | Modular air filter housing |
| USD794764S1 (en) | 2013-03-13 | 2017-08-15 | Scott Carter | Short angled filter housing |
| USD742496S1 (en) * | 2013-03-13 | 2015-11-03 | Scott Carter | Angled filter housing |
| KR101352736B1 (en) * | 2013-09-26 | 2014-01-16 | 주식회사 크린텍코리아 | System for air filter frame capable of sealing air leak |
| US20150107199A1 (en) * | 2013-10-21 | 2015-04-23 | Bha Altair, Llc | Cylindrical Filtration Apparatus Assembly |
| ES2709426T3 (en) * | 2014-09-25 | 2019-04-16 | Camfil Ab | V-type filter frame |
| CA2962295C (en) | 2014-09-25 | 2023-04-04 | Camfil Ab | V-type filter frame |
| US20170056800A1 (en) * | 2015-05-05 | 2017-03-02 | Airgle Corporation | Filter assembly for providing purified air |
| US10870074B2 (en) * | 2015-07-15 | 2020-12-22 | Baldwin Filters, Inc. | Multi-component holding assembly for multi-panel air filter |
| US20210069629A1 (en) * | 2015-07-15 | 2021-03-11 | Baldwin Filters, Inc. | Filter with shield features |
| KR20170018211A (en) | 2015-08-07 | 2017-02-16 | 주식회사 크린텍코리아 | Filter unit and system for air filter frame having the same |
| CN105289158B (en) * | 2015-11-06 | 2017-10-24 | 安徽欣创节能环保科技股份有限公司 | A kind of micropore film dust-remover for high humidity environment |
| AU2016354488B2 (en) | 2015-11-13 | 2020-04-16 | W. L. Gore & Associates, Inc. | Support members for filter pleated media |
| EP3529111B1 (en) | 2016-10-20 | 2023-01-11 | Cummins Filtration IP, Inc. | Interrupted, directional emboss of flat sheet |
| WO2018111822A1 (en) | 2016-12-15 | 2018-06-21 | Cummins Filtration Ip, Inc. | Tetrahedral filter media |
| DE102017000792B4 (en) | 2017-01-30 | 2022-08-04 | Mann+Hummel Gmbh | Filter element, method for its manufacture and air filter |
| WO2018191147A1 (en) | 2017-04-11 | 2018-10-18 | Cummins Filtration Ip, Inc. | Panel filter element |
| DE102018204635B4 (en) * | 2018-03-27 | 2023-07-27 | Filtration Group Gmbh | Ventilation device for filtering air and separating water aerosols from air |
| DE102018204632B4 (en) * | 2018-03-27 | 2023-07-27 | Filtration Group Gmbh | Ventilation device for filtering air and separating water aerosols from air |
| US11207629B2 (en) * | 2018-04-11 | 2021-12-28 | Parker-Hannifin Corporation | Easily shipped and installed filter and filter house |
| KR102468854B1 (en) * | 2022-04-27 | 2022-11-18 | 주식회사 퓨어웨이 | air-bank type filter system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3438180A (en) * | 1965-12-28 | 1969-04-15 | Trane Co | Air-cleaning apparatus |
| US5810898A (en) * | 1997-05-22 | 1998-09-22 | Superior Fibers, Inc. | Nestable pleated filter |
| US6152980A (en) * | 1999-03-15 | 2000-11-28 | Culwell; C William | Size adjustable filter element |
-
2010
- 2010-04-15 US US12/760,767 patent/US20110252759A1/en not_active Abandoned
-
2011
- 2011-03-30 DE DE102011001665A patent/DE102011001665A1/en not_active Withdrawn
- 2011-04-14 KR KR1020110034839A patent/KR20110115544A/en not_active Application Discontinuation
- 2011-04-15 CN CN2011101041908A patent/CN102233218A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457414A (en) * | 2014-09-25 | 2016-04-06 | 马勒国际有限公司 | Filter element for filtering of fluid with folded filter material |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110115544A (en) | 2011-10-21 |
| DE102011001665A1 (en) | 2011-10-20 |
| US20110252759A1 (en) | 2011-10-20 |
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Application publication date: 20111109 |